I'm trying to find out if my moms 1997 J30T has a timing belt or chain...

Post by **goldringer** » Mon Jul 11, 2005 8:03 am

We are going on a long car trip and the car has around 105k miles on it. I believe it still has the original timing belt or chain on it. Any help would really be appreciated. TIA!

Post by **maxnix** » Mon Jul 11, 2005 8:18 am

Belt, and if there is no history of replacement, now is the time for it and the water pump at least.

Post by **goldringer** » Mon Jul 11, 2005 8:35 am

Do you know how much the going rate is (just an estimate)?

Post by **metaverse3** » Mon Jul 11, 2005 11:57 am

Cost for service should be under $400 just for labor. This is assuming you are going to replace the timing belt, tensioner, drive belts, camshaft oil seal, crankshaft oil seal, waterpump. There is a whole kit to do this job at everythinginfiniti.com for under $400. I would budget around $800 for this job. Could be way less, but, should not be more.

This will take care of 60k miles for you. I would do it before you take this long trip for peace of mind.

Post by **TxGuy67** » Mon Jul 11, 2005 12:23 pm

1995 & up have a kevlar belt that needs to be replaced at 105K along with other items mentioned above.

Post by **metaverse3** » Mon Jul 11, 2005 12:40 pm

You know, I have always thought of that until I received a belt that said 100,000 kms on it. I'm starting to have doubts of the kevlar belt. I need to do some research into it..

Post by **driverdriver** » Mon Jul 11, 2005 4:34 pm

metaverse3 wrote:You know, I have always thought of that until I received a belt that said 100,000 kms on it. I'm starting to have doubts of the kevlar belt. I need to do some research into it..

That's about 63000 miles.

Post by **yodawill2000** » Tue Jul 12, 2005 11:38 am

Heres a question for any Infiniti Techs ..If a 94 j30 belt was replaced in 98, Would they use the kevlar belt ??

Post by **yodawill2000** » Fri Jul 15, 2005 11:48 am

El Bumpo'

Post by **DominickJ30** » Fri Jul 15, 2005 2:57 pm

I dont know for sure but my guess would be yes.

Post by **metaverse3** » Sat Jul 16, 2005 7:05 am

As posted earlier, I'm starting to get skeptical if a kevlar belt exists. The belt that I purchased recently came with a 100,000 KM replacement label. This equates to around 63k miles like driverdriver stated below. I'm doing some research into it..with not much luck if I might add..

On the other hand, all honda's mazda's seem to have kevlar belts and I have officially seen labels stating of 105,000 Miles replacement interval on the belts..

Anyway of contacting infiniti officially for this..does anybody know ?

Post by **yodawill2000** » Sun Jul 17, 2005 3:36 pm

uh ... Maybe call the closest Infiniti dealer near you ??Kevlar belts have been used since 94/95 as far as I know ..Let us know what you learn

Post by **metaverse3** » Mon Jul 18, 2005 12:40 pm

lol... Yes..I'll call the dealer..alright.. right after I die..

My local dealer, Winner Infiniti, could not understand a wiper shroud on a touring edition infiniti. A master tech came into the showroom and never heard of it either...

Nothing showed up on a J30 microfiche, hence, it does not exist. Yet, it took 2 minutes for scottsdale to find it and 3 days to get it to me..

I'll give a sample of the belt to a forensics lab for kevlar testing before I call my local dealer..

Post by **DominickJ30** » Mon Jul 18, 2005 1:46 pm

metaverse3 wrote:lol... Yes..I'll call the dealer..alright.. right after I die..

My local dealer, Winner Infiniti, could not understand a wiper shroud on a touring edition infiniti. A master tech came into the showroom and never heard of it either...

Nothing showed up on a J30 microfiche, hence, it does not exist. Yet, it took 2 minutes for scottsdale to find it and 3 days to get it to me..

I'll give a sample of the belt to a forensics lab for kevlar testing before I call my local dealer..

Why dont you ask Joe then?

Post by **metaverse3** » Wed Jul 20, 2005 4:37 pm

I did..he said it was. I'm trying to get a second opinion..

Post by **elwesso** » Wed Jul 20, 2005 4:41 pm

Maybe they came with kevlar from the factory and regular ones as replacement parts... As stupid as it may sound, you think its plausibe?

Post by **DominickJ30** » Thu Jul 21, 2005 8:35 pm

elwesso wrote:Maybe they came with kevlar from the factory and regular ones as replacement parts... As stupid as it may sound, you think its plausibe?

Doesnt seem cost effective for the factory to manufacture 2 types of belts. Espeicially if the second one is only and improved version of the first.

However with the many many aftermarket companies you never know. So I would trust the OEM belt manufactured after 95(or whenever the switch was) to be kevlar. Aftermarket your really taking a guess.

Post by **metaverse3** » Fri Jul 22, 2005 5:47 pm

I know they did not deploy kevlar technology for the early 90's.. it only happened in the late mid to late 90's. If kevlar held up for 105k miles, then they would advertise it with the car as a plus point. Then, again, the car had platinum plugs which lasted quite a bit..

I just don't understand why a 100,000 kms sticker would be on the belt if it is a kevlar 105k belt. I have seen honda and mazda belts with 105k mile stickers. Honda's even allow for a 2k overage to 107k since not everyone services the car dead on @105k.. Usually under, or over.

If the J30 had a kevlar belt for 94-97, then why not just bring it over to the 93 as well..same engine eh ? To add confusion, the part number is the same for the 93-97 J30 and 90-96 300zx turbo/NA. I'm leary to assume that this belt is what I should believe (kevlar) despite a sticker on it telling me otherwise..

Post by **driverdriver** » Fri Jul 22, 2005 6:52 pm

The factory belt that originally came with the '93 and '95 J30's where made out of whatever timing belts where made out of at that time. Mine was replaced with the so called "Kevlar" belt in '99 at about 80000KM's(about 50K miles) which was basically the life of the original timing belt.

Post by **yodawill2000** » Sat Jul 23, 2005 3:35 am

Just got a 94 J30 FSM (Thanks Wes , Your great !)

It says timing belt interval is 105K ..Sounds like kevlar to me !!!

Post by **metaverse3** » Sat Jul 23, 2005 8:07 am

93 was the only year with the 60k belt. Every car from 94 onwards has the 105k belt. I checked alldata for this and it confirms it. along with mitchell, another service system.

The part numbers for the 93 and 94-97 belts are the same. Yet, the computer mentions to change 93 belts every 60k and 94-97 belts every 105k. I'm going to assume it is kevlar and let the issue rest.. I'm getting a headache..

Post by **maxnix** » Sat Jul 23, 2005 8:26 am

metaverse3 wrote:I know they did not deploy kevlar technology for the early 90's.. it only happened in the late mid to late 90's.

If "they" are the tire companies, they indeed did employ kevlar under the consumer name aramid in the early nineties.

Post by **elwesso** » Sat Jul 23, 2005 10:14 am

metaverse3 wrote:93 was the only year with the 60k belt. Every car from 94 onwards has the 105k belt. I checked alldata for this and it confirms it. along with mitchell, another service system.

The part numbers for the 93 and 94-97 belts are the same. Yet, the computer mentions to change 93 belts every 60k and 94-97 belts every 105k. I'm going to assume it is kevlar and let the issue rest.. I'm getting a headache..

are you saying that they just replaced all the belts later with kevlar, meaning they no longer make the OEM rubber on the 93s?

Post by **metaverse3** » Sat Jul 23, 2005 2:17 pm

elwesso wrote:are you saying that they just replaced all the belts later with kevlar, meaning they no longer make the OEM rubber on the 93s?

That is what I'm going to believe after all this part number cross-referencing. Gates/Good Year might still make a rubber aftermarket belt. One OEM Part # goes for both 93 and 94-97 (which is kevlar) No difference in Engine config. I'm going to let it lie there since folks who die by the owners manual are going to believe it that way..especially the ones with 94-97 J30's..

Why they did not put a chain in a VG30DE is beyond me.. They did it in the VE30DE, and that is one step below the VG30DE, still no slouch though..

Post by **yodawill2000** » Sat Jul 23, 2005 3:20 pm

Meta..I in no way shape or form meant any insult when I said ask the dealer ..I have had many a chat with a tech at the dealership near me and he seems VERY well informed ..

Love peace and chicken grease brudda !!

Post by **metaverse3** » Sat Jul 23, 2005 3:33 pm

Huh ? No hard feelings here..lol. I just don't like my dealer..that is all. Must be I'm picky. My friend is an ASE master with 40 years of wrenching with all ASE techs in the shop.. I just don't like BS runaround answers with no foundation or proof..

regardless..wrench on..

Post by **elwesso** » Sat Jul 23, 2005 5:56 pm

metaverse3 wrote:.

Why they did not put a chain in a VG30DE is beyond me.. They did it in the VE30DE, and that is one step below the VG30DE, still no slouch though..

Why they use belts when they can use chains is beyond me!!

Post by **DominickJ30** » Sat Jul 23, 2005 6:15 pm

elwesso wrote:Why they use belts when they can use chains is beyond me!!

Betls are quieter.

Post by **metaverse3** » Sat Jul 23, 2005 9:03 pm

Stand between a VE30DE (3rd gen maxima DOHC engine) with working VTC's and a j30 VG30DE. The J30 sounds louder.. If you strain, the VE30DE has a beautiful camshaft ring noise that is not irritating..rather, like an engine singing. The J30 sounds like a busy factory.. Almost intimidating and overwhelming.. Even I'm doubling my research for a belt/camshaft seal job on the J30 contrary to other cars when I usually go in with gusto and Git'r'done

Chain slap due to stretch is one big complaint for chain noise.Self adjusting belt/chain tensioner technology is pretty advanced with nissan. The self adjuster on the maxima is a basic design that works. When I pop the hood on my maxima, I cannot hear any chains or chain slap whatsoever, yet, this is a 14+ year old car, original. Even this is not an issue on the Q45 as many owners here can attest to since most 1st gen q45's are in the 10-15 year range...

Of course, I have my pet peeves. No memory seats, no heated mirrors..despite owning a touring edition.. Bah... touring is for the birds..

I'm trying to find out if my moms 1997 J30T has a timing belt or chain...

I'm trying to find out if my moms 1997 J30T has a timing belt or chain...

Re: I'm trying to find out if my moms 1997 J30T has a ti ... (goldringer)

Re: I'm trying to find out if my moms 1997 J30T has a ti ... (maxnix)

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Re: I'm trying to find out if my moms 1997 J30T has a ti ... (goldringer)

Re: I'm trying to find out if my moms 1997 J30T has a ti ... (TxGuy67)

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